Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/4128
Title: Crashworthiness optimization of hierarchical hexagonal honeycombs under out-of-plane impact
Authors: Altın, M.
Acar, Erdem
Güler, Mehmet Ali
Keywords: Crashworthiness
honeycomb
optimization
specific energy absorption
surrogate model
Issue Date: Jul-2020
Source: Altin, M. U. R. A. T., Acar, E., and Güler, M. A. (2020). Crashworthiness optimization of hierarchical hexagonal honeycombs under out-of-plane impact. Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science, 0954406220939104.
Abstract: This paper presents a numerical study of regular and hierarchical honeycomb structures subjected to out-of-plane impact loading. The specific energy absorption capacity of honeycomb structures via nonlinear explicit finite element analysis is investigated. The constructed finite element models are validated using experimental data available in the literature. The honeycomb structures are optimized by using a surrogate-based optimization approach to achieve maximum specific energy absorption capacity. Three surrogate models polynomial response surface approximations, radial basis functions, and Kriging models are used; Kriging models are found to be the most accurate. The optimum specific energy absorption value obtained for hierarchical honeycomb structures is found to be 148% greater than that of regular honeycomb structures.
URI: https://hdl.handle.net/20.500.11851/4128
https://journals.sagepub.com/doi/10.1177/0954406220939104
ISSN: 2041-2983
0954-4062
Appears in Collections:Makine Mühendisliği Bölümü / Department of Mechanical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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